Erik,No idea if this will help at all but here is a detailed review of ARC by Christian Punter he's pretty thorough.
https://www.hifi-advice.com/blog/review/loudspeaker-reviews/anthem-room-correction-and-martin-logan-...
https://www.hifi-advice.com/blog/review/loudspeaker-reviews/anthem-room-correction-and-martin-logan-...